JPS53105421A - Preparation of optical active alpha-hydroxycarboxylic acid esters acid esters - Google Patents
Preparation of optical active alpha-hydroxycarboxylic acid esters acid estersInfo
- Publication number
- JPS53105421A JPS53105421A JP2029377A JP2029377A JPS53105421A JP S53105421 A JPS53105421 A JP S53105421A JP 2029377 A JP2029377 A JP 2029377A JP 2029377 A JP2029377 A JP 2029377A JP S53105421 A JPS53105421 A JP S53105421A
- Authority
- JP
- Japan
- Prior art keywords
- acid esters
- preparation
- optical active
- active alpha
- hydroxycarboxylic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
- B01J31/2414—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom comprising aliphatic or saturated rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/643—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of R2C=O or R2C=NR (R= C, H)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PURPOSE: To prepare the title cpds. of optical purity in high yield by catalytic reduction of α-ketocarboxylic acid esters in the presence of a specific catalyst.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2029377A JPS53105421A (en) | 1977-02-28 | 1977-02-28 | Preparation of optical active alpha-hydroxycarboxylic acid esters acid esters |
CH209078A CH635815A5 (en) | 1977-02-28 | 1978-02-27 | Process for preparing optically active alpha-hydroxycarboxylic esters |
GB771178A GB1592536A (en) | 1977-02-28 | 1978-02-27 | Process for producing optically active a-hydroxycarboxylic acid ester |
CA297,758A CA1109479A (en) | 1977-02-28 | 1978-02-27 | PROCESS FOR PRODUCING OPTICALLY ACTIVE .alpha.- HYDROXYCARBOXYLIC ACID ESTER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2029377A JPS53105421A (en) | 1977-02-28 | 1977-02-28 | Preparation of optical active alpha-hydroxycarboxylic acid esters acid esters |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53105421A true JPS53105421A (en) | 1978-09-13 |
JPS5622859B2 JPS5622859B2 (en) | 1981-05-27 |
Family
ID=12023106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2029377A Granted JPS53105421A (en) | 1977-02-28 | 1977-02-28 | Preparation of optical active alpha-hydroxycarboxylic acid esters acid esters |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS53105421A (en) |
CA (1) | CA1109479A (en) |
CH (1) | CH635815A5 (en) |
GB (1) | GB1592536A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5508435A (en) * | 1992-07-29 | 1996-04-16 | Merck & Co., Inc. | Asymmetric hydrogenation of beta- or gamma-ketoesters and beta- or gamma-ketoamides |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4343741A (en) * | 1981-04-22 | 1982-08-10 | Hoffmann-La Roche Inc. | Chiral phosphines |
US4539411A (en) * | 1982-02-05 | 1985-09-03 | Hoffmann-La Roche Inc. | Rhodium complexes of chiral phosphines |
CA2121308C (en) * | 1993-04-19 | 2001-07-24 | Toshihiro Omatsu | Rhodium-containing catalyst |
EP2141145B1 (en) * | 2008-06-30 | 2013-02-20 | ThyssenKrupp Uhde GmbH | Efficient and highly enantioselective Rh-catalyzed hydrogenations of unsaturated lactate precursors with chiral bisphospholanes as ligands |
-
1977
- 1977-02-28 JP JP2029377A patent/JPS53105421A/en active Granted
-
1978
- 1978-02-27 CH CH209078A patent/CH635815A5/en not_active IP Right Cessation
- 1978-02-27 GB GB771178A patent/GB1592536A/en not_active Expired
- 1978-02-27 CA CA297,758A patent/CA1109479A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5508435A (en) * | 1992-07-29 | 1996-04-16 | Merck & Co., Inc. | Asymmetric hydrogenation of beta- or gamma-ketoesters and beta- or gamma-ketoamides |
Also Published As
Publication number | Publication date |
---|---|
CA1109479A (en) | 1981-09-22 |
CH635815A5 (en) | 1983-04-29 |
JPS5622859B2 (en) | 1981-05-27 |
GB1592536A (en) | 1981-07-08 |
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